Colors that are complementary to one another are diametrically opposed. As a result, 420–430 nm light absorption turns a substance yellow.
The process through which amount of light absorbed and transformed into energy is known as light absorption. Flowers' photosynthesis serves as an illustration of this procedure. However, not only plants, but all living things and inorganic materials, absorb light.
When a wave interacts with a media and causes the molecules inside the medium to vibrate and move, this is called absorption. In ultraviolet spectroscopy, the sample solution concentration is expressed in mol L-1, and the width of the beam passing is expressed in cm. As a result, since absorbance has no units, molar absorptivity is measured in L mol-1 cm-1.
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